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   <h1>判断操作</h1>
   @if ($week==1)
   星期一
   @elseif ($week==2)
   星期二
   @elseif ($week==3)
   星期三
   @elseif ($week==4)
   星期四
   @elseif ($week==5)
   星期五
   @elseif ($week==6)
   星期六
   @elseif ($week==7)
   星期天
   @endif

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